406 CTTCTTTJD^. 



h" . Upper parts olive-green ; crown tawny 



orange reynaudi, p. 407. 



b' . Upper throat and abdomen dusky olive ; breast 



bright chestnut ._ serriana, p. 408. 



h. With white ends to some of the tail-feathers, 

 c'. With a well-marked crest. 



c". Crest-feathers longer, narrower, and extend- 

 ing over the whole crown ; fi-ont of the 

 chest with a rufous shade. 

 «'". White end to tail narrower, about 1'2 



inches ; under tail-coverts paler cristata, p. 409. 



b'". White end to tail broader, about 2 



inches ; under tail-coverts rufous pj/ropi/f/a, p. 410. 



d". Crest-feathers broader, and confined to the 

 front half of the crown ; underparts white, 



shaded with grey verreaiui, p. 410. 



d'. With no crest. 



e". Upper parts not blue. 



c". Crown rufous riijiceps, p. 410. 



d'". Crown more or less olive. 



a^. Underparts paler ; abdomen and under 

 tail-coverts bufEsh. 

 a\ Throat white. Larger; -wing 6-2 . . olivaceiceps, t^. ill. 

 b\ Throat yellowish. Smaller ; wing 



4'9 cursor, p. 411. 



¥. Undei-parts darker ; abdomen and under 

 tail-coverts brown. 

 c'. Smaller; wiug ,5'9 inches. Lower 



chest washed with pink coquereli, p. 412. 



d^. Larger ; wing 8'6 inches. Lower 



chest not washed with pink gigns, p. 412. 



/". Upper parts dark blue; throat and chest 



white ; abdomen rufous delcdandii, p. 413. 



1. Coua cserulea. 



Le Coucou bleu de Madagascar, Briss. Orn. iv. p. 156, pi. 1.3. fig. 1 



(1766); Danh. PL Enl. 29.5. fig. 2 (1783) ; Vinson, Voy. Maday., 



App. p. 144 (1865). 

 Cuculus cseruleus, Limi. Sysf. Xat. i. p. 171 (1766) ; Wald. Ibis, 



1869, p. 335. 

 Le Tait-sou, 3Io72tb. Hist. Nat. Ois. vi. p. 291, pi. 18 (1779). 

 Blue Cuckow, Lath. Gen. Syn. B. i. p. 531 (1781) ; id. Gen. Hist. 



iii. p. 274 (1822). 

 Le Coua tait-sou, Levaill. Ois. Afr. v. p. 69, pi. 218 (1806) ; Su7id. 



Krit. Framst. om Levaill. p. 48 (1857). 

 Polophilus cseruleus, Steph. Gen. Zool. ix. p. 56 (1815). 

 Cuculus (Coua) c£eruleus, Ctiv. Reyne An. (1) i. p. 425 (1817). 

 Coccyzus caeruleus, Vieill. Nouv. Diet. viii. p. 278 (1817) ; id. Enc. 



Meth. p. 1348 (1823) ; id. Gal. Ois. i. p. 31, pi. 41 (1 825) ; Less. Traite, 



p. 139 (18.31). 

 Coua cserulea. Gray, in Griff. An. Kingdom, vii. p. 4-58 (1829) ; id. 



Gen. B. ii. p. 4.54 (1846) ; Hartl. Ann. Sf Ma(j. Nat. Hist. 1848, 



p. 390 ; Bp. Consp. i. p. 109 (18-50) ; ScfiL Handl. Dierk. i. 



p. 206 (1857) ; Kollar, Sitz. Ak. Wiss. Wien, 1858, p. .342; Hartl. 



Orn. Beitray Faun. Maday. p. 60 (1861) : Boch Sf E. Neicton, 



